(i) At what distance should the lens be held from the card sheet in order to view the squares distinctly with the maximum possible magnifying power ?
(ii) What is the magnification in this case ?
(iii) Is the magnification equal to magnifying power in this case ? Explain.

Is the magnification equal to the magnifying power in this case ? Explain.

(a) At what distance should the lens be held from the figure in Exercise 9.29 in order to view the squares distinctly with the maximum possible magnifying power? (b) What is the magnification in this case? (c) Is the magnification equal to the magnifying power in this case? Explain.

a. At what distance should the lens be held in Exercise 27 in order to view the squares distinectly with the maximum possible magnifying power ?